Tools For Structured & Oo Design Chapter 2

Front 1

A step-by-step procedure to solve a problem is called a(n) __________.

Back 1

Algorithm

Front 2

Also called a block diagram, or logic diagram, a _____________ is a picture of an algorithm.

Back 2

Program Flowchart

Front 3

In a program flowchart, the symbol used to indicate a specific process.

Back 3

A Rectangle

Front 4

Every algorithm must have one entry point (START) and one exit point (STOP). What symbol is used to represent these?

Back 4

An Ellipsis symbol

Front 5

What is the term used for the entry point (START) and exit point (STOP) symbols.

Back 5

Terminal interrupt symbols

Front 6

All symbols on a program flow chart are connected by ___________.

Back 6

Flowlines

Front 7

Another name for paperwork.

Back 7

Information Processing

Front 8

A series of planned actions and operations upon data to achieve a desired results is called __________________.

Back 8

Information-processing system

Front 9

What are the three basic elements of an information processing system?

Back 9

The source data, or input entering the system;
The orderly, planned processing within the system;
The end result, or output, from the system.

Front 10

A file, record, field, and character make up a(n) __________________.

Back 10

Data Hierarchy

Front 11

A _____ is a collection of related data or facts.

Back 11

File

Front 12

A _____ is a collection of data, or facts about a single entity in the file.

Back 12

Record

Front 13

A _________ is any single piece of data, or fact, about a single entity (record) in a file.

Back 13

Field

Front 14

A ______ is a letter (A-Z, a-z), number (0-9), or special character (for example, . or ? or % and so on.

Back 14

Character

Front 15

What are the two requirements an algorithm must meet?

Back 15

Must use operations from only a given set of basic operations;
Produce the problem solution, or answer, in a finite number of operations.

Front 16

This symbol represents either input (data available for processing) or output (processed data, or information, available to users for additional processing.

Back 16

General input/output (I/O) symbol

Front 17

This shape represents the general input/output (I/O) symbol.

Back 17

Parallelogram

Front 18

A _______________ shows the data, flow of work, and workstations within an information-processing system.

Back 18

System flowchart

Front 19

Data items whose values may change, or vary, during processing.

Back 19

Variables

Front 20

When a variable is used in conjunction with a READ statement, we can assume that the value of the variable is known to the computer; this is called a __________________.

Back 20

Defined value

Front 21

The use of variables helps to ensure that a program is __________________, which means that the program will perform the required processing steps on any set of input data.

Back 21

Data independent

Front 22

A value that never changes.

Back 22

Constant

Front 23

This approach to verification of design, the design documentation is distributed to selected reviewers, who are asked to study it and respond within a set time. Each reviewer is directed to note, individually, any required changes, additions, and deletions. This approach is known as an ________________________.

Back 23

Informal design review.

Front 24

Another term for structured walkthrough.

Back 24

Formal design view.

Front 25

In Visual Basic, each event is written as a spearate small program called a __________.

Back 25

Sub (subprogram)

Front 26

In Visual Basic, each control has a set of characteristics called _________.

Back 26

Properties

Front 27

In Visual Basic, the ___________ property of a label control determines what will be displayed in that label.

Back 27

Caption

Front 28

In Visual Basic, the ______ property of the text box control determines what will be displayed in the text box.

Back 28

Text